BLIND SPOT MONITOR SYSTEM, Diagnostic DTC:U0126, U0129, U0142, U0293

DTC Code DTC Name
U0126 Lost Communication with Steering Angle Sensor Module
U0129 Lost Communication with Brake System Control Module
U0142 Lost Communication with Body Control Module "B"
U0293 Lost Communication with HV ECU

DESCRIPTION

These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor.

Tech Tips

If CAN communication system DTCs are stored, they may also be stored for other systems.

DTC Code DTC Detection Condition Trouble Area
U0126 Lost communication with steering angle sensor CAN communication system
U0129 Lost communication with electronically controlled brake system
U0142 Lost communication with main body ECU (driver side junction block)
U0293 Lost communication with hybrid vehicle control ECU

INSPECTION PROCEDURE

Note

When checking for DTCs, make sure that the blind spot monitor main switch (outer mirror switch assembly) is on.

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs.


    2. Check for DTCs.


      Result
      Result Proceed to
      No DTCs are output A
      DTCs are output (for LHD) B
      DTCs are output (for RHD) C

      Tech Tips


      • If CAN communication system DTCs are stored, they may also be stored for other systems.

      • If the CAN communication system has been inspected and repaired, the DTCs will not be output when rechecking for DTCs.

      • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs Click here.


    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    GO TO CAN COMMUNICATION SYSTEM Click here

    A

    USE SIMULATION METHOD TO CHECK Click here